查询词典 poplar

Species richness of phytophagous insects in plantation of transgenic insect-resistance hybrid poplar 741 was obviously lower than that of neutral arthropod. The individuals of intermediate and top species apparently increased.

转双抗虫基因741杨（简称转基因741杨）节肢动物群落中，基位物种的植食性昆虫丰富度显著降低，但中性节肢动物丰富度却明显增加。

Provide a variety of works all the year round green with Miao Miao and Jian nursery; the main varieties are: Cedar H50-1000CM; Shu cypress H50-400CM; Longbai H50-400CM; Da-Yeh vicaryi §0.5-8CM; Canton White Magnolia §0.5-15CM; H50-400CM; yellow Purple Magnolia §0.5-6CM; Euonymus P20-150CM; Liriodendron chinense §0.5-10CM; metasequoia §3-20CM; Duzhong §3-20CM; Pinus thunbergii H200-700CM;§5-15CM;÷°P15-120CM; Shu cypress ball P30-150CM; Longbai ball P20-150CM; Pittosporum P30-150CM; Photinia H50-150CM; P40-150CM; purple leaves Lee §0.5-6CM; Ziwei §1-5CM; Maple D1-6CM; camphora §1-20CM; Beech §4-15CM; massoniana §4-20CM; addition Ligustrum vicaryi;ìé; safflower Following the wood; Hibiscus; bauhinia; poplar; Act Green; seeds Buxus; cherry; Guihua; willows; more than 50 varieties of bamboo and Manila; such as tall fescue lawn.

常年提供各种工程绿化用苗及建苗圃苗；主要品种有：雪松H50-1000CM；蜀桧H50-400CM；龙柏H50-400CM；大叶女贞ф0.5-8CM；广白玉兰ф0.5-15CM；H50-400CM；红黄紫玉兰ф0.5-6CM；大叶黄杨P20-150CM；马褂木ф0.5-10CM；水杉ф3-20CM；杜仲ф3-20CM；黑松H200-700CM；ф5-15CM；洒金柏P15-120CM；蜀桧球P30-150CM；龙柏球P20-150CM；海桐P30-150CM；石楠H50-150CM；P40-150CM；紫叶李ф0.5-6CM；紫薇ф1-5CM；红枫D1-6CM；香樟ф1-20CM；榉树ф4-15CM；马尾松ф4-20CM；此外还有金叶女贞；红叶小檗；红花继木；木槿；紫荆；意杨；法青；瓜子黄杨；樱花；桂花；垂柳；竹子等50多个品种及马尼拉；高羊茅等各类草坪。

By setting five kinds of poplar row spacing gradients and control, the yield distribution rules of three intercropping medicinal species were observed, namely Glycyrrhiza uralensis, Platycodon grandiflorum and Pinellia pedatisecta.

设置了5种不同毛白杨行距梯度和无林地对照，观测了不同毛白杨行距以及同一行距下的不同林地位置间作的甘草、桔梗、天南星3种药用植物的产量分布规律。

Populus Shenzhou chosen and bred in recent years is chimera poplar superior clone, divided into type A, B and C. Type B served as progenitive material after cutting differentiated into type A similar to Populus tomentosa and type C similar to Populus dakuanensis.

深州杨为近年选育出的嵌合体杨树优良无性系，分为A型、B型和C型。B型作为繁殖材料扦插后可以分化为类似于毛白杨的A型植株和类似于大官杨的C型。

There is something indescribable there which exhales grace, a green meadow traversed by tightly stretched lines, from which flutter rags drying in the wind, and an old market-gardener's house, built in the time of Louis XIII., with its great roof oddly pierced with dormer windows, dilapidated palisades, a little water amid poplar-trees, women, voices, laughter; on the horizon the Pantheon, the pole of the Deaf-Mutes, the Val-de-Grace, black, quat, fantastic, amusing, magnificent, and in the background, the severe square crests of the towers of Notre Dame.

那地方散发着一种无以名之的淡远的情趣，一片青草地，上面有几根拉紧的绳索，迎风晾着一些旧衣破布，蔬菜地边有所路易十三时代的古老庄屋，庞大的屋顶上开着光怪陆离的顶楼窗，倾斜破烂的木栅栏，白杨树丛中有个小池塘，几个妇女，笑声，谈话声，朝远处看，能望见先贤祠、盲哑院的树、军医学院，黑黝黝，矮墩墩，怪模怪样，有趣，美不胜收，在更远处，有圣母院钟塔的严峻的方顶。

Like Ceres, ArborGen is working on four species: eucalyptus, poplar, and the loblolly and radiata pines.

如同Ceres一样，ArborGen也选择了四种植物：桉树、杨树、火炬松和辐射松。

The resol phenol-formaldehyde adhesive could be prepared from liquefied wood (wood: phenol=1:2) in phenol at r(subscript F/P) 1.8, r(subscript NaOH/P) 0.7 and resinification temperature 80℃. The physical properties of the poplar three-layer plywood bonded with LWR were similar to those with normal PF resins and also satisfied the demands of I level. Free formaldehyde content of plywood (0.1 mg/L) was lower than the E0 level set by GB/T 9846-2004 Plywood.

结果表明，采用料液比为1：2的液化物，F1.8，r0.7，树脂化温度80℃条件下合成的杉木液化物树脂压制的杨木三层胶合板满足I类胶合板强度要求，各项物理力学性能与常规PF树脂压制的板材相当，板材的甲醛释放量为0.1mg/L，远低于GB/T 9846-2004《胶合板》中的E0级要求。

The spatial patterns of eggs, larvae and adults of Saperda Papulnea L. in three different types of poplar forests in Jinshatan forest centre, Datong Poplars Institute were studied by using geostatistics tools. Geostatistics allows the usage of quantity and location information simultaneously to qualify the spatial pattern of insect population.

根据在大同杨树局所属金沙滩林场3块不同类型样地上收集到的青杨天牛卵、幼虫和成虫的数量和位置资料，应用地统计学方法对其种群的空间格局进行了研究。

The fireproof performance of wood panels of birch,poplar,shorea spp,pao rosa and sapele which were coated with ZPC60-1 decorative fireproof coating were tested according to ISO5660 standard,in terms of its fire resistant time, time to ignition and heat release rate by use of cone calorimeter and horizontal-vertical combustion analyzer.

利用锥形量热仪和水平垂直燃烧测定仪，按照ISO5660标准，对用ZPC60-1饰面型防火涂料处理过的白桦、杨木、柳安、檀木、沙比例的耐燃时间、点燃时间、热释放速率进行了测量。

The yard was quite dark as they turned into it and the poplar leaves were rustling silkily all round it.

他们走进院子里时，天已经完全黑了，周围的白杨树叶发出了轻柔的沙沙声。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。